Lab tests
Animal
Small Trial
Large Trial
FDA Approved
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GHK-Cu is a tiny copper peptide that occurs naturally in your blood. It's well-studied for skin: it helps make new collagen, fades fine lines, and speeds wound healing. Used topically in cosmetics for decades. Injected use for systemic anti-aging is newer and the evidence is thinner.
YOU'LL LEARN, IN ORDER
- Is the science good?Solid for skin
- Does it work?Yes, especially for skin
- The short versionTL;DR
- Should I take it?Honest answer
- Where this is from8 studies